Patent File History, Patent Assignments Search

When searching for patent file histories use the below format.

Searching: use just the document number, this database has several types of documents so review the first few pages: Patent File Wrappers/Histories, Assignments, Reel/Frame copies, terminal disclaimers, (NPL) Publications etc.

The following are examples to use in the search field. Place each item you're searching for on its own line. 6 Characters minimum!

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